Purifying device for container spraying

By designing a water collection tank, water guide tank, water curtain system, and spray system for the purification device used in container painting, the problem of difficult-to-clean paint residue at the bottom of the paint booth is solved, and multiple recovery of paint mist and recycling of water are achieved, reducing safety hazards and operating costs.

CN224101012UActive Publication Date: 2026-04-10GUANGDONG FUHUA MACHINERY EQUIP MFG CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
GUANGDONG FUHUA MACHINERY EQUIP MFG CO LTD
Filing Date
2025-02-26
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

Paint residue at the bottom of container paint booths is difficult to clean, posing a safety hazard.

Method used

The design incorporates a water collection tank, a water guide tank, a water curtain system, and a spray system, combined with air ducts and an exhaust fan. Through multiple water curtains and sprays, paint mist is recovered, and combined with filtration and activated carbon adsorption units, the paint mist is recycled and purified.

Benefits of technology

It effectively prevents paint mist from accumulating at the bottom of the spray booth, reduces safety hazards, and enables water recycling, thus lowering operating costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The purification device for container spraying comprises a paint spraying room, an induced draft fan and a plurality of air pipes. A water collecting tank and two water guiding grooves are formed in the bottom face of the paint spraying room, the water collecting tank communicates with one ends of the two water guiding grooves, wall plates on the two sides of the paint spraying room are each provided with a first water curtain system, water flowing out of the first water curtain systems on the two wall plates flows downwards along the two wall plates so as to be collected by the two water guiding grooves, and ventilation holes are formed in a top plate on the top of the paint spraying room. The air pipe comprises an air inlet and an air outlet, the air inlet of the air pipe extends into the water guide groove, and the induced draft fan is used for enabling airflow in the air pipe to flow to the air outlet from the air inlet; a second water curtain system and a first spraying system which are mounted on the upper edge of an air inlet are arranged at the air inlet of the air pipe, a submersible pump is arranged in the water collecting tank, and the submersible pump is communicated with the second water curtain system and the first spraying system. The bottom of the paint spray booth is convenient to clean, and potential safety hazards caused by excessive paint slag accumulation in the paint spray booth are avoided.
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Description

TECHNICAL FIELD

[0001] The utility model relates to container processing technical field, concretely relates to a container is sprayed with purification device. BACKGROUND

[0002] The container is usually made of steel, in order to meet the complex external environment of logistics transportation, need to be sprayed on the outside of container paint to meet the requirements of container anticorrosion, container usually in a closed paint spraying room is carried out spraying operation, during the spraying process, a large number of paint mist will deposit in the bottom of paint spraying room and form paint slag, the paint slag in the bottom of paint spraying room is difficult to clean, and the paint contains combustible material, in turn makes paint spraying room exist certain security risks. SUMMARY

[0003] In view of the deficiency of prior art, the utility model aims at providing a container is sprayed with purification device to solve the problem that the paint slag in the bottom of existing container paint spraying room is difficult to clean and exists security risks.

[0004] To achieve the above object, the utility model adopts the following technical scheme:

[0005] The container is sprayed with purification device, including paint spraying room, induced draft fan, multiple air pipes;

[0006] The bottom surface of paint spraying room is provided with downwardly recessed water collecting groove and two water guide grooves, the two water guide grooves extend along the length direction of paint spraying room, the water collecting groove is communicated with one end of the two water guide grooves, the wallboard on the two sides of paint spraying room is respectively provided with the first water curtain system connected with clean water source, the water flowing out of the first water curtain system on the two wallboards flows downward along the two wallboards to be collected by the two water guide grooves respectively, the top plate on the top of paint spraying room is provided with ventilation hole so that the air of outside can enter paint spraying room through ventilation hole;The air pipe includes air inlet and air outlet, the air inlet of a part of air pipe extends into one of the water guide grooves, the air inlet of another part of air pipe extends into another water guide groove, and the induced draft fan is used to make the airflow in the air pipe flow from the air inlet to the air outlet;

[0007] The air inlet of air pipe is provided with the second water curtain system installed on the upper edge of air inlet and the first spraying system, the water collecting groove is provided with submersible pump, and the submersible pump is communicated with the second water curtain system and the first spraying system to pump the water in the water collecting groove to the second water curtain system and the first spraying system, and the bottom of water collecting groove is provided with the interface for connecting the water collecting groove with external sewage treatment system.

[0008] The air pipe includes the first section below the bottom surface of paint spraying room, the second section extending upward from the end of the first section away from the air inlet, the height of the first section gradually increases from the air inlet to the direction close to the second section, and the second section is provided with filter system inside.

[0009] The filtering system comprises filter cotton and an activated carbon adsorption unit above the filter cotton.

[0010] The second section of the air duct is internally provided with a second spraying system connected with a clean water source, and the second spraying system is located below the filter cotton.

[0011] A wind collecting cover is installed at the air inlet of the air duct, the inner end of the wind collecting cover is connected with the air duct, the outer end of the wind collecting cover is square, and the wind collecting cover is conical with the inside smaller than the outside; the multiple water outlets of the second water curtain system are located at the upper edge of the outer end of the wind collecting cover, the first spraying system comprises two spraying heads, and the two spraying heads are respectively located at the two inner sides of the wind collecting cover and respectively face the middle part of the wind collecting cover.

[0012] The bottom wall height of the water guide groove gradually decreases from the end far away from the water collecting groove to the end close to the water collecting groove, and the bottom wall height of the water collecting groove is smaller than the bottom wall height of the two water guide grooves.

[0013] The multiple air ducts are arranged along the length direction of the paint spraying room, and a part of the multiple air ducts connected with one water guide groove and another part of the multiple air ducts connected with another water guide groove are arranged at intervals.

[0014] The top parts of the water guide grooves and the water collecting groove are provided with grating cover plates, and the second water curtain system and the first spraying system located in the same water guide groove are connected with the submersible pump through pipelines fixed on the grating cover plates.

[0015] The part of the bottom surface of the paint spraying room between the two water guide grooves forms a support table for supporting the container, and the part of the bottom surface of the paint spraying room between the top outer side of the water guide groove and the bottom of the adjacent wall plate is a slope so that the water on the wall plate can flow into the water guide groove adjacent to the wall plate through the slope.

[0016] The two sides of the top part of each water guide groove of the bottom surface of the paint spraying room are respectively provided with a support rail, and the support rails located at the two sides of the top part of the same water guide groove form a support device for supporting the container.

[0017] The paint mist generated in the paint spraying room is dissolved in water after being recycled for multiple times, and is finally collected into the water collecting groove, so that the paint mist can be effectively prevented from accumulating at the bottom of the paint spraying room to form paint residue, the bottom of the paint spraying room is convenient to clean, and the safety hidden danger caused by excessive accumulation of the paint residue in the paint spraying room is solved.

[0018] In the utility model, the paint mist generated in the paint spraying room is dissolved in water after being recycled for multiple times, and is finally collected into the water collecting groove, so that the paint mist can be effectively prevented from accumulating at the bottom of the paint spraying room to form paint residue, the bottom of the paint spraying room is convenient to clean, and the safety hidden danger caused by excessive accumulation of the paint residue in the paint spraying room is solved. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 Structure diagram of one embodiment of the present application;

[0020] Figure 2 B-B sectional view of Figure 1

[0021] C-C sectional view of Figure 3 Figure 2

[0022] Figure 4 D of Figure 2

[0023] Figure 5

[0024] Figure 6 E of Figure 1

[0025] Structure diagram of another embodiment of the present application. Figure 7 DETAILED DESCRIPTION

[0026] The present application will be further described below in conjunction with the drawings and specific embodiments:

[0027] As Figure 1 , 2 ​​​​​, 3, 4, 5, 6, a container spraying purification device, it includes paint spray booth 10, air guide fan 30, four air pipes 20 and four air pipes 50, the structure of air pipe 20 and air pipe 50 is same, and the difference is only in length size difference;Paint spray booth 10 is surrounded by plate, it includes two opposite side wall panels 11 and the top plate 12 located at the top of two wall panels 11, the bottom surface 13 of paint spray booth 10 is provided with downwardly recessed water collecting groove 16, water guide groove 14 and water guide groove 15, water guide groove 14 and water guide groove 15 are extended along the length direction (i.e. X direction in the drawing) of paint spray booth 10, water collecting groove 16 is extended along the width direction (i.e. Y direction in the drawing) of paint spray booth and is connected to one end of water guide groove 14 and water guide groove 15;The wall plate 11 on both sides of paint spray booth 10 is respectively provided with a first water curtain system 111, the first water curtain system 111 is connected to the clean water source outside, for forming water curtain from top to bottom on the inner side of two wall panels 11, the water flowing out of the first water curtain system 111 on two wall panels 11 flows downward along two wall panels 11 and then flows into water guide groove 14 and water guide groove 15 respectively through the bottom of paint spray booth 10, the water collected by water guide groove 14 and water guide groove 15 flowing out of two first water curtain systems 111 finally flows into water collecting groove 16 through water guide groove 14 and water guide groove 15, the top plate 12 of paint spray booth 10 is provided with ventilation hole 121, ventilation hole 121 connects the inner cavity of paint spray booth 10 with the outside environment, so that the air in the outside environment can enter the inner cavity top of paint spray booth 10 through ventilation hole 121. Air pipe 20 and air pipe 50 all include air inlet at one end and air outlet at the other end, wherein, the air inlets of four air pipes 20 are all connected to one side of water guide groove 14, and the air outlets are extended to the outside of paint spray booth 10, which can be a part of air pipe 20 embedded below the bottom surface 13 of paint spray booth 10, so that the air inlet of air pipe 20 penetrates out of one side of water guide groove 14 and then extends into water guide groove 14;The air inlets of four air pipes 50 are all connected to water guide groove 15, which can be a part of air pipe 50 embedded below the bottom surface 13 of paint spray booth 10, so that the air inlet of air pipe 50 penetrates out of one side of water guide groove 15 and extends into water guide groove 15. Air guide fan 30 is installed on the platform preset outside paint spray booth 10, and the airflow in air pipe 20 and air pipe 50 is guided from air inlet to air outlet by air guide fan 30, which can be connected to all air pipes 20 and air pipes 50 by a single air guide fan 30, or one air guide fan 30 is installed on each air pipe 20 and air pipe 50;Under the action of air guide fan 30, the air in water guide groove 14 and water guide groove 15 is guided to the outside of paint spray booth 10 through air pipe 20 and air pipe 50, and the air in the outside environment enters the inside of paint spray booth 10 through the ventilation hole 121 at the top of paint spray booth 10, so that the airflow from top to bottom is formed in the inside of paint spray booth 10.The second water curtain system 55 is located at the upper edge of the air inlet of the air duct 50, and a submersible pump 161 is arranged in the water collecting tank 16 and communicates with the second water curtain system 55 and the first spraying system 56. The submersible pump 161 is used to pump water in the water collecting tank 16 to the second water curtain system 55 and the first spraying system 56, so that the second water curtain system 55 forms a water curtain flowing from top to bottom at the air inlet of the air duct 50. The air inlet of the air duct 20 is also provided with a second water curtain system and a first spraying system, which have the same structure as the air inlet of the air duct 50. The second water curtain system and the first spraying system at the air inlet of the air duct 20 also communicate with the submersible pump 161 in the water collecting tank 16, that is, the water curtain and the spraying water formed at the air duct 50 and the air duct 20 are all from the water collecting tank 16. In this way, water is continuously circulated between the water collecting tank 16 and the second water curtain system and the first spraying system. The bottom of the water collecting tank 16 is provided with an interface 162 for communicating the water collecting tank 16 with an external sewage treatment system, so that the sewage deposited at the bottom of the water collecting tank 16 can be discharged to the sewage treatment system through the interface 162.

[0028] When the container is sprayed, the container is placed in the paint spraying room 10, and the air inlet of the air duct 50 is formed by the air inlet fan 30. The paint mist generated during the spraying process flows from top to bottom, and part of the paint mist is dissolved in the water flowing out of the first water curtain system 111. Another part of the paint mist enters the water guide groove 14 and the water guide groove 15 along the downward air flow in the paint spraying room, and enters the air inlets of the air duct 20 and the air duct 50 through the air flow guide. The water sprayed by the second water curtain system 55 and the first spraying system is recovered and then flows back to the water guide groove 14 and the water guide groove 15 through the bottom of the air duct 20 and the air duct 50 respectively. In this way, the paint mist generated in the paint spraying room 10 is dissolved in water after being recovered several times, and finally collected in the water collecting tank 16, which can effectively prevent the paint mist from accumulating at the bottom of the paint spraying room to form paint slag, facilitate the cleaning of the bottom of the paint spraying room, and solve the safety hazard caused by excessive accumulation of paint slag in the paint spraying room. In addition, the water used by the second water curtain system and the first spraying system during the paint mist collection process is from the water collecting tank 16, which realizes the recycling of water and reduces the consumption of clean water, thereby reducing the operating cost.

[0029] The air duct 20 comprises a first section 21 below the bottom surface 13 of the paint spraying room 10, and a second section 22 extending upward from the first section 21 away from the air inlet of the air duct 20, the height of the first section 21 gradually increases from the air inlet to the second section 22, that is, the first section 21 of the air duct 20 is arranged as a structure with low inside and high outside, so as to facilitate the backflow of a small amount of water in the air duct 20 to the inside of the water guide groove 14 through the first section 21; a filtering system is arranged in the second section 22 of the air duct 20, the filtering system is used to filter the air before the air is discharged through the air outlet of the air duct 20, so as to remove the paint mist and other impurities in the air in the air duct 20. The air duct 50 also comprises a first section, a second section and a filtering system arranged on the second section, the first section of the air duct 50 is also arranged as an inclined structure, so as to facilitate the backflow of a small amount of water in the air duct 50 to the water guide groove 15. The filtering system comprises filter cotton 41 and an activated carbon adsorption unit 42 above the filter cotton 41, the filter cotton 41 and the activated carbon adsorption unit 42 are used to further purify the air before the air is discharged from the air duct 20 and the air duct 50, so as to meet the emission requirements. A second spraying system 23 below the filter cotton 41 is further arranged in the second section 22 of the air duct 20, the second spraying system 23 is communicated with an external clean water source, the second spraying system 23 is used to spray the air entering the second section 22 of the air duct 20 again, so that the residual paint mist in the air is absorbed again, the air sprayed again passes through the filter cotton 41 and the activated carbon adsorption unit 42 for filtering, and the water sprayed by the second spraying system 23 flows back to the water guide groove 14 through the first section 21 of the air duct 20. The second section of the air duct 50 is also provided with a second spraying system below the filter cotton, the water sprayed by the second spraying system absorbs the residual paint mist in the air duct 50 and then flows back to the water guide groove 15.

[0030] The air duct 20 and the air duct 50 are arranged as structures with large openings, so as to facilitate the installation of the second water curtain system and the first spraying system at the air inlet, specifically, the air duct 50 is taken as an example, a wind collecting cover 54 is arranged at the air inlet of the air duct 50, the inner side end of the wind collecting cover 54 is connected with the air duct 50, the outer side end of the wind collecting cover 54 is square, and the wind collecting cover 54 is conical with large outside and small inside, a plurality of water outlets of the second water curtain system 55 are located at the upper edge of the outer side end of the wind collecting cover 54, the outer side end of the wind collecting cover 54 is arranged as a square shape, so as to arrange the second water curtain system 55 on the upper edge of the outer side end of the wind collecting cover 54, and the outer side end of the wind collecting cover 54 can form a dense water curtain from top to bottom, the first spraying system 56 comprises two spraying heads, the two spraying heads are respectively located at the two sides of the inside of the wind collecting cover 54, and the two spraying heads respectively face the middle part of the wind collecting cover 54. The structure of the opening of the air duct 20 is the same as above, and no repeated description is made here.

[0031] In order to make the water containing paint mist in the water guide groove 14 and the water guide groove 15 flow into the water collecting groove 16 quickly, the water guide groove 14 and the water guide groove 15 are arranged in an inclined structure with one end high and the other end low, for example, the bottom wall height of the water guide groove 15 gradually decreases from the one end far away from the water collecting groove 16 to the one end close to the water collecting groove 16, and the water guide groove 14 is the same as the water guide groove 15, and the bottom wall height of the water collecting groove 16 is less than the bottom wall height of the water guide groove 14 and the water guide groove 15.

[0032] In order to make the water containing paint mist in the water guide groove 14 and the water guide groove 15 flow into the water collecting groove 16 quickly, the water guide groove 14 and the water guide groove 15 are arranged in an inclined structure with one end high and the other end low, for example, the bottom wall height of the water guide groove 15 gradually decreases from the one end far away from the water collecting groove 16 to the one end close to the water collecting groove 16, and the water guide groove 14 is the same as the water guide groove 15, and the bottom wall height of the water collecting groove 16 is less than the bottom wall height of the water guide groove 14 and the water guide groove 15.

[0033] In the utility model, the part between the water guide groove 14 and the water guide groove 15 on the bottom surface 13 of the paint spraying room 10 forms a support table for supporting the container 90, and the track facilitating the movement of the container 90 in the paint spraying room 10 can be arranged on the support table, so that the container 90 can be moved into the paint spraying room 10, and the part between the top outer side edge of the water guide groove 14 and the bottom of one of the wall plates 11 on the bottom surface 13 of the paint spraying room 10 is a slope, so that the water curtain formed by the first water curtain system 111 and flowing down the wall plate 11 can flow into the water guide groove 14 through the slope, and similarly, the part between the top outer side edge of the water guide groove 15 and the bottom of the other wall plate 11 is a slope, so that the water curtain formed by the first water curtain system on the other wall plate 11 can flow into the water guide groove 15.

[0034] In other embodiments, two containers 90 can be arranged side by side in the paint spraying room along the width direction of the paint spraying room, as shown in Figure 7As shown, the bottom surface of the paint spraying room 60 is provided with a water guide groove 74 and a water guide groove 75, the top of the water guide groove 74 is provided with a support guide rail 741 on both sides, the top of the water guide groove 75 is provided with a support guide rail 751 on both sides, the two support guide rails 741 form a support device for supporting the container 90, similarly, the two support guide rails 751 form a support device for supporting the container 90, in this way, two containers 90 can be arranged side by side along the width direction of the paint spraying room 60.

[0035] The above embodiments are only used to illustrate the technical solutions of the present application, but not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features, and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A purifying device for container painting, characterized by comprising: The paint spraying room comprises a paint spraying room, an air induction fan and a plurality of air pipes. The bottom surface of the paint spraying room is provided with a downwardly recessed water collecting groove and two water guide grooves, the two water guide grooves extend along the length direction of the paint spraying room, the water collecting groove is communicated with one end of the two water guide grooves, the first water curtain system connected with a clean water source is arranged on the wall plates on both sides of the paint spraying room respectively, the water flowing out of the first water curtain systems on the two wall plates flows downward along the two wall plates to be collected by the two water guide grooves respectively, the top plate on the top of the paint spraying room is provided with a ventilation hole so that the air outside can enter the paint spraying room through the ventilation hole; the air pipe comprises an air inlet and an air outlet, the air inlets of a part of the air pipes extend into one of the water guide grooves, the air inlets of another part of the air pipes extend into the other water guide groove, and the air induction fan is used to make the air flow in the air pipe flow from the air inlet to the air outlet. The air inlet of the air pipe is provided with a second water curtain system and a first spraying system mounted on the upper edge of the air inlet, a submersible pump is arranged in the water collecting groove, and the submersible pump is communicated with the second water curtain system and the first spraying system to pump the water in the water collecting groove to the second water curtain system and the first spraying system, and the bottom of the water collecting groove is provided with an interface for connecting the water collecting groove with an external sewage treatment system.

2. The container painting purifier according to claim 1, wherein The air pipe comprises a first section below the bottom surface of the paint spraying room and a second section extending upward from one end of the first section away from the air inlet, the height of the first section gradually increases from the air inlet to the second section.

3. The container painting purifier according to claim 2, wherein The filter system comprises filter cotton and an activated carbon adsorption unit above the filter cotton.

4. The container painting purifier according to claim 3, wherein The second spraying system connected with a clean water source is arranged in the second section of the air pipe below the filter cotton.

5. The container painting purifier according to claim 1, wherein The air inlet of the air pipe is provided with a wind collecting cover, the inner side end of the wind collecting cover is connected with the air pipe, the outer side end of the wind collecting cover is square, and the wind collecting cover is conical with the outer side being larger than the inner side; a plurality of water outlets of the second water curtain system are located on the upper edge of the outer side end of the wind collecting cover, the first spraying system comprises two spraying heads, the two spraying heads are respectively located on the inner sides of the wind collecting cover, and the two spraying heads respectively face the middle part of the wind collecting cover.

6. The container painting purifier according to claim 1, wherein The height of the bottom wall of the water guide groove gradually decreases from one end away from the water collecting groove to one end close to the water collecting groove, and the height of the bottom wall of the water collecting groove is smaller than the height of the bottom wall of the two water guide grooves.

7. The container spray-purge apparatus of claim 1, wherein The plurality of air pipes are arranged along the length direction of the paint spraying room, and the part of the air pipes communicated with one of the water guide grooves and the other part of the air pipes communicated with the other water guide groove are arranged at intervals.

8. The container spray-purge apparatus of claim 7, wherein, The top of the water guide groove and the water collecting groove is provided with a grid cover, the second water curtain system and the first spraying system in the same water guide groove are communicated with the submersible pump through the pipeline fixed on the grid cover.

9. The container spray-purge apparatus of claim 1, wherein, The part of the bottom surface of the paint spraying room between the two water guide grooves forms a support table for supporting the container, and the part of the bottom surface of the paint spraying room between the top outer side edge of the water guide groove and the bottom of the adjacent wall plate is a slope so that the water on the wall plate can flow into the water guide groove adjacent to the wall plate through the slope.

10. The container painting purifier according to claim 1, wherein The bottom surface of the paint spraying room is provided with a support rail on both sides of the top of each water guide groove, and the support rails on both sides of the top of the same water guide groove form a support device for supporting the container.